Question

A statistician wants to determine the average annual Gross National Product for countries in Africa. He samples the 20 largest (in terms of population) African countries over 10 years, and gets their quarterly G.N.P results for each quarter of each year. Which one of the following is a true statement concerning the statistician's study?

Answer 1

Explanation:

The description provided offers information about the statistician's study. Let's analyze the given scenario and identify the true statement:

Sample Size and Selection:

The sample consists of the 20 largest African countries in terms of population, and data is collected quarterly for each year over a span of 10 years.

Scope:

The study focuses on African countries, particularly the 20 largest by population, providing insights into the continent's economic productivity.

Frequency of Data Collection:

Data is collected quarterly for each year over a period of 10 years, resulting in a substantial amount of data for analysis.

Based on this information, a true statement concerning the study could be:

True Statement:

"The study aims to analyze the quarterly Gross National Product (G.N.P) of the 20 largest African countries, focusing on economic productivity over a span of 10 years."

This statement accurately captures the objective, sample size, data collection frequency, and scope of the study.